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4/8/2010
Override this member function to handle notification of a change of start time.
Syntax
virtual HRESULT ChangeStart( ) PURE; |
Parameters
None.
Return Value
Returns an HRESULTvalue that depends on the implementation. HRESULTcan be one of the following standard constants, or other values not listed.
| Value | Description |
|---|---|
|
E_FAIL |
Failure. |
|
E_POINTER |
Null pointer argument. |
|
E_INVALIDARG |
Invalid argument. |
|
E_NOTIMPL |
Method is not supported. |
|
S_OK or NOERROR |
Success. |
Remarks
This member function is called when a new start position has been requested by a call to CSourceSeeking::SetPositions.
Override this and change the data sent.
Typically, you do this by calling CBaseInputPin::BeginFlushand CBaseInputPin::EndFlush, and then send samples marked with new start time (for example, with an implementation NewSegmentmethod).
Requirements
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have
different include file and Library requirements
For more information, see Setting Up the Build Environment,Version 2.12 requires DXPAK 1.0 or later |